.page-home {
  --home-edge: clamp(20px, 4vw, 48px);
  --home-band-pad: clamp(52px, 8vw, 104px);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: clip;
  padding: clamp(30px, 5.5vw, 58px) 0 clamp(46px, 7vw, 92px);
  background: linear-gradient(168deg, var(--gg-deep) 0%, var(--gg-abyss) 58%, var(--gg-deep) 100%);
}

.page-home .home-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  z-index: -2;
}

.page-home .home-hero__aurora {
  position: absolute;
  inset: -18% -12% -10% -12%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(36% 42% at 16% 20%, rgba(0, 229, 255, 0.30), transparent 70%),
    radial-gradient(32% 38% at 84% 70%, rgba(255, 107, 74, 0.22), transparent 72%),
    radial-gradient(28% 32% at 62% 10%, rgba(127, 233, 255, 0.18), transparent 70%);
  filter: blur(4px);
  animation: home-drift 20s ease-in-out infinite alternate;
}

@keyframes home-drift {
  from { transform: translate3d(-2%, -1.5%, 0) scale(1); }
  to   { transform: translate3d(2%, 2.2%, 0) scale(1.07); }
}

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-edge);
}

.page-home .home-index {
  align-self: start;
}

.page-home .home-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-home .home-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 2px;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--gg-graphite);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-home .home-index__link:hover,
.page-home .home-index__link:focus-visible,
.page-home .home-index__link.is-active {
  color: var(--gg-cyan);
  border-bottom-color: var(--gg-cyan);
}

.page-home .home-index__link:focus-visible {
  outline: 2px solid var(--gg-coral);
  outline-offset: 2px;
}

.page-home .home-hero__title {
  margin: 16px 0 0;
  max-width: 20ch;
  font-family: var(--gg-font-display);
  font-weight: 300;
  font-size: clamp(2rem, 5.4vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--gg-white);
  text-wrap: balance;
}

.page-home .home-hero__lede {
  margin: 22px 0 0;
  max-width: 56ch;
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.78;
  color: rgba(234, 243, 248, 0.86);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* 首屏卡片簇 */

.page-home .home-quick {
  list-style: none;
  margin: clamp(34px, 5.5vw, 60px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .home-quick__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(18px, 2.4vw, 26px);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-home .home-quick__card:hover,
.page-home .home-quick__card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--gg-shadow-hover);
}

.page-home .home-quick__card:focus-within {
  outline: 2px solid var(--gg-coral);
  outline-offset: 3px;
}

.page-home .home-quick__big {
  margin: 6px 0 0;
  font-family: var(--gg-font-mono);
  font-size: clamp(1.75rem, 3.6vw, 2.5rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--gg-coral);
}

.page-home .home-quick__big--cyan {
  color: var(--gg-cyan);
}

.page-home .home-quick__unit {
  margin: 0;
  font-size: 0.84rem;
  letter-spacing: 0.02em;
  color: var(--gg-cyan-soft);
}

.page-home .home-quick__mini {
  margin: 6px 0 0;
  font-family: var(--gg-font-body);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--gg-white);
}

.page-home .home-quick__desc {
  margin: 6px 0 0;
  font-size: 0.92rem;
  line-height: 1.68;
}

.page-home .home-quick__link {
  margin-top: auto;
  padding-top: 14px;
  align-self: flex-start;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--gg-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--gg-line-strong);
}

.page-home .home-quick__link:hover {
  color: var(--gg-coral-soft);
  border-bottom-color: var(--gg-coral-soft);
}

/* ---------- 通用区块 ---------- */

.page-home .home-band {
  position: relative;
  padding: var(--home-band-pad) 0;
}

.page-home .home-band--deep {
  background: linear-gradient(180deg, var(--gg-deep), var(--gg-abyss));
  color: var(--gg-graphite);
}

.page-home .home-band--ice {
  background: var(--gg-ice);
  color: #2C4459;
}

.page-home .home-band__head {
  max-width: 62ch;
  margin-bottom: clamp(30px, 4.5vw, 52px);
}

.page-home .home-head__title {
  margin: 12px 0 0;
  font-family: var(--gg-font-display);
  font-weight: 300;
  font-size: clamp(1.65rem, 3.4vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: -0.015em;
  text-wrap: balance;
  color: var(--gg-white);
}

.page-home .home-head__lede {
  margin: 16px 0 0;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(159, 179, 200, 0.95);
}

.page-home .home-band--ice .home-head__title {
  color: var(--gg-ink);
}

.page-home .home-band--ice .home-head__lede {
  color: #3A5570;
}

.page-home .home-band--ice .gg-index {
  color: #0A7C8F;
}

.page-home [id] {
  scroll-margin-top: 130px;
}

/* ---------- 费用说明 ---------- */

.page-home .home-fees {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-home .home-fees__figure {
  margin: 0;
}

.page-home .home-fees__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--gg-bw) solid var(--gg-line-strong);
  border-radius: var(--gg-radius);
  box-shadow: var(--gg-shadow);
}

.page-home .home-fees__figure figcaption {
  margin-top: 14px;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--gg-graphite);
}

.page-home .home-fees__panel {
  display: grid;
  gap: 14px;
}

.page-home .home-switch {
  display: inline-flex;
  border: var(--gg-bw) solid var(--gg-line-strong);
  border-radius: var(--gg-radius);
  overflow: hidden;
  justify-self: start;
}

.page-home .home-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-home .home-switch__label {
  padding: 9px 22px;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gg-graphite);
  background: rgba(6, 24, 46, 0.55);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-home .home-switch__label:hover {
  color: var(--gg-cyan-soft);
}

.page-home .home-switch__input:checked + .home-switch__label {
  background: var(--gg-cyan);
  color: var(--gg-abyss);
}

.page-home .home-switch__input:focus-visible + .home-switch__label {
  outline: 2px solid var(--gg-coral);
  outline-offset: -3px;
}

.page-home .home-fee {
  padding: clamp(18px, 2.4vw, 26px);
  border: var(--gg-bw) solid var(--gg-line);
  border-radius: var(--gg-radius);
  background: rgba(18, 58, 99, 0.45);
  transition: border-color 0.25s ease, background 0.25s ease, opacity 0.25s ease;
}

.page-home .home-fees__panel:has(#home-device-pc:checked) .home-fee--pc,
.page-home .home-fees__panel:has(#home-device-tablet:checked) .home-fee--tablet {
  border-color: var(--gg-cyan);
  background: rgba(0, 229, 255, 0.09);
}

.page-home .home-fees__panel:has(#home-device-pc:checked) .home-fee--tablet,
.page-home .home-fees__panel:has(#home-device-tablet:checked) .home-fee--pc {
  opacity: 0.5;
}

.page-home .home-fee__num {
  margin: 8px 0 0;
  font-family: var(--gg-font-mono);
  font-size: clamp(1.5rem, 3.2vw, 2.05rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--gg-coral);
}

.page-home .home-fee__num small {
  margin-left: 6px;
  font-size: 0.45em;
  letter-spacing: 0.02em;
  color: var(--gg-graphite);
}

.page-home .home-fee__text {
  margin: 12px 0 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(159, 179, 200, 0.96);
}

.page-home .home-fees__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  margin-top: 6px;
}

.page-home .home-fees__hint {
  flex: 1 1 220px;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--gg-graphite);
}

/* ---------- 版本对照 ---------- */

.page-home .home-versions {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 38px);
  align-items: start;
}

.page-home .home-version {
  padding: clamp(20px, 2.7vw, 30px);
  border: var(--gg-bw) solid rgba(7, 19, 32, 0.16);
  border-radius: var(--gg-radius);
  background: var(--gg-white);
  box-shadow: 6px 6px 0 rgba(11, 37, 69, 0.14);
}

.page-home .home-version--slim .gg-index {
  color: #0A7C8F;
}

.page-home .home-version--full {
  background: linear-gradient(160deg, var(--gg-deep), var(--gg-abyss));
  border-color: rgba(127, 233, 255, 0.42);
  box-shadow: 6px 6px 0 rgba(0, 229, 255, 0.24);
  color: rgba(214, 230, 242, 0.92);
}

.page-home .home-version--full .gg-index {
  color: var(--gg-cyan);
}

.page-home .home-version__title {
  margin: 12px 0 0;
  font-family: var(--gg-font-display);
  font-weight: 400;
  font-size: clamp(1.14rem, 2vw, 1.42rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--gg-ink);
}

.page-home .home-version--full .home-version__title {
  color: var(--gg-white);
}

.page-home .home-version__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-version__list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.94rem;
  line-height: 1.68;
}

.page-home .home-version__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border: 2px solid var(--gg-coral);
}

.page-home .home-version--full .home-version__list li::before {
  border-color: var(--gg-cyan);
}

.page-home .home-version__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(7, 19, 32, 0.12);
  font-size: 0.85rem;
  line-height: 1.68;
  color: #4D6980;
}

.page-home .home-version--full .home-version__note {
  border-top-color: rgba(127, 233, 255, 0.28);
  color: rgba(159, 179, 200, 0.95);
}

.page-home .home-version__link {
  display: inline-block;
  margin-top: 18px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #0A6E80;
  text-decoration: none;
  border-bottom: 2px solid rgba(10, 124, 143, 0.4);
  padding-bottom: 2px;
}

.page-home .home-version__link:hover {
  color: #B8421F;
  border-bottom-color: #B8421F;
}

.page-home .home-version--full .home-version__link {
  color: var(--gg-cyan);
  border-bottom-color: rgba(0, 229, 255, 0.5);
}

.page-home .home-version--full .home-version__link:hover {
  color: var(--gg-coral-soft);
  border-bottom-color: var(--gg-coral-soft);
}

.page-home .home-version__link:focus-visible,
.page-home .home-fees__foot a:focus-visible,
.page-home .home-status__link:focus-visible,
.page-home .home-start__link:focus-visible {
  outline: 2px solid var(--gg-coral);
  outline-offset: 3px;
}

.page-home .home-versions__figure {
  margin: 0;
}

.page-home .home-versions__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--gg-bw) solid rgba(7, 19, 32, 0.14);
  border-radius: var(--gg-radius);
  background: var(--gg-white);
}

/* ---------- 周期记录 ---------- */

.page-home .home-cycle {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-home .home-cycle__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-home .home-cycle__point {
  padding-left: 18px;
  border-left: 2px solid var(--gg-coral);
}

.page-home .home-cycle__num {
  display: block;
  font-family: var(--gg-font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--gg-coral);
}

.page-home .home-cycle__point h3 {
  margin: 8px 0 0;
  font-family: var(--gg-font-body);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--gg-white);
}

.page-home .home-cycle__point p {
  margin: 8px 0 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(159, 179, 200, 0.95);
}

.page-home .home-status {
  padding: clamp(20px, 2.6vw, 28px);
  border: var(--gg-bw) solid var(--gg-line-strong);
  border-radius: var(--gg-radius);
  background: rgba(18, 58, 99, 0.42);
  box-shadow: var(--gg-shadow);
}

.page-home .home-status__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .home-status__list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--gg-line-soft);
}

.page-home .home-status__list li:last-child {
  border-bottom: 0;
}

.page-home .home-status__k {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--gg-graphite);
}

.page-home .home-status__v {
  font-family: var(--gg-font-mono);
  font-size: 0.84rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--gg-cyan);
}

.page-home .home-status__link {
  display: inline-block;
  margin-top: 18px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gg-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--gg-line-strong);
  padding-bottom: 2px;
}

.page-home .home-status__link:hover {
  color: var(--gg-coral-soft);
  border-bottom-color: var(--gg-coral-soft);
}

.page-home .home-timeline {
  margin: clamp(34px, 5vw, 58px) 0 0;
}

.page-home .home-timeline img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--gg-bw) solid var(--gg-line);
  border-radius: var(--gg-radius);
  box-shadow: var(--gg-shadow);
}

.page-home .home-timeline figcaption {
  margin-top: 14px;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--gg-graphite);
}

/* ---------- 上手路径 ---------- */

.page-home .home-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-home .home-step {
  padding: clamp(22px, 3vw, 32px);
  background: var(--gg-white);
  border: var(--gg-bw) solid rgba(7, 19, 32, 0.14);
  border-radius: var(--gg-radius);
  box-shadow: 6px 6px 0 rgba(11, 37, 69, 0.1);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-home .home-step:hover,
.page-home .home-step:focus-within {
  transform: translateY(-4px);
  box-shadow: 9px 11px 0 rgba(0, 229, 255, 0.32);
}

.page-home .home-step__num {
  display: block;
  font-family: var(--gg-font-mono);
  font-size: clamp(1.9rem, 3.8vw, 2.7rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gg-coral);
}

.page-home .home-step__title {
  margin: 14px 0 0;
  font-family: var(--gg-font-display);
  font-weight: 400;
  font-size: clamp(1.1rem, 1.9vw, 1.32rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--gg-ink);
}

.page-home .home-step p {
  margin: 12px 0 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: #3A5570;
}

.page-home .home-start__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 22px;
  margin-top: clamp(34px, 5vw, 54px);
  padding-top: 28px;
  border-top: 2px solid rgba(7, 19, 32, 0.12);
}

.page-home .home-start__foot p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.72;
  color: #3A5570;
}

.page-home .home-start__link {
  flex: 1 1 100%;
  font-size: 0.88rem;
  font-weight: 600;
  color: #0A6E80;
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 124, 143, 0.45);
  padding-bottom: 2px;
}

.page-home .home-start__link:hover {
  color: #B8421F;
  border-bottom-color: #B8421F;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-home .home-quick {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-home .home-quick__card--a { grid-column: span 7; }
  .page-home .home-quick__card--b { grid-column: span 5; }
  .page-home .home-quick__card--c { grid-column: span 5; }
  .page-home .home-quick__card--d { grid-column: span 7; }
}

@media (min-width: 760px) {
  .page-home .home-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__inner {
    grid-template-columns: minmax(132px, 0.23fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }

  .page-home .home-index {
    position: sticky;
    top: 140px;
  }

  .page-home .home-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
  }

  .page-home .home-fees {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }

  .page-home .home-cycle {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-home .home-versions {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.72fr) minmax(0, 1.04fr);
    gap: clamp(22px, 3vw, 36px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-hero__aurora {
    animation: none;
  }
  .page-home .home-quick__card,
  .page-home .home-step,
  .page-home .home-fee,
  .page-home .home-switch__label {
    transition: none;
  }
  .page-home .home-quick__card:hover,
  .page-home .home-step:hover {
    transform: none;
  }
}
<<<END>>>